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Letteratura scientifica selezionata sul tema "Flexible supercapacitors"

Autore: Grafiati

Pubblicato: 19 ottobre 2024

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Articoli di riviste sul tema "Flexible supercapacitors"

1

Ren, Zhi Meng, Jian Yu Di, Zhen Kun Lei e Rui Mao. "Fabrication and Performance Test of Flexible Supercapacitors Based on Three-Dimensional Graphene Hydrogel". Materials Science Forum 1058 (5 aprile 2022): 45–50. http://dx.doi.org/10.4028/p-3juu45.

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Flexible supercapacitors have attracted more and more attention and research because they can be used as energy storage devices for future flexible electronic devices. In the existing research, graphene has been used to make supercapacitor electrodes, but usually these electrodes have very low specific capacitance or flexibility. Here, a three-dimensional graphene hydrogel for the fabrication of flexible supercapacitors was presented, and the preparation of flexible supercapacitors based on three-dimensional graphene hydrogels was given. Through the research, we find that the prepared flexible supercapacitor has excellent capacitance characteristics, such as high specific capacitance of 168F/g and excellent mechanical flexibility. This study shows that the three-dimensional graphene macro structure has great potential in the preparation of high-performance flexible energy storage devices.

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2

Li, Jing, Tongtong Xiao, Xiaoxi Yu e Mingyuan Wang. "Graphene-based composites for supercapacitors". Journal of Physics: Conference Series 2393, n. 1 (1 dicembre 2022): 012005. http://dx.doi.org/10.1088/1742-6596/2393/1/012005.

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Abstract Smart devices that are portable and wearable have advanced significantly over the years. Further research on compatible storage devices with tiny, light and flexible properties is required to make wearable electronic devices more versatile, lightweight, smart, and commercially viable. Because of their advantages of having a high-power density, long cycle longevity, superior mechanical strength, good safety, and ease of assembly, supercapacitors have sparked a great deal of interest. Nevertheless, if the conventional supercapacitor is distorted by an external force, the power storage qualities would be significantly diminished or perhaps even eliminated. The primary component of capacitors is the electrode material, hence it is essential to produce extremely flexible electrode materials with superior energy-storage capabilities. This study introduces the supercapacitor energy storage theory and the current state of graphene applications in flexible supercapacitors. Additionally, a succinct summary of the research on pseudo, double-layer, and asymmetric capacitors is provided. Future progress and the difficulties that flexible supercapacitor electrode materials still confront are explored.

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3

Lee, Jung Bae, Jina Jang, Haoyu Zhou, Yoonjae Lee e Jung Bin In. "Densified Laser-Induced Graphene for Flexible Microsupercapacitors". Energies 13, n. 24 (13 dicembre 2020): 6567. http://dx.doi.org/10.3390/en13246567.

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Microsupercapacitors have attracted significant attention due to several of their advantageous characteristics such as lightweight, small volume, and planar structure that is favorable for high mechanical flexibility. Among the various micro supercapacitor forms, those with laser-induced graphene (LIG) electrodes are promising as flexible energy storage devices. While LIG microelectrodes can be fabricated simply by direct laser writing, the capacitance and energy density of these devices are limited because of the relatively low density of LIG, which leads to low surface areas. These limitations could be overcome by densifying the LIG. Here, we report the use of densified laser-induced graphene (d-LIG) to fabricate flexible micro supercapacitors. Interdigitated d-LIG electrodes were prepared by duplicate laser pyrolysis of a polyimide sheet by using a CO2 laser. A PVA-H2SO4 gel-type electrolyte was then applied to the d-LIG electrode surface to assemble a d-LIG micro supercapacitor. This d-LIG micro supercapacitor exhibited substantially increased capacitance and energy density versus conventional low-density LIG micro supercapacitors. While the d-LIG electrode exhibited a substantial change in resistance when subjected to bending at a radius of 3 mm, the change in the capacitance of the d-LIG micro supercapacitor was negligible at the same bending radius due to reinforcement by the infiltrated poly(vinyl alcohol) (PVA) electrolyte, demonstrating the potential application of d-LIG micro supercapacitors in wearable electronics.

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4

Qin, Leiqiang, Jianxia Jiang, Quanzheng Tao, Chuanfei Wang, Ingemar Persson, Mats Fahlman, Per O. Å. Persson, Lintao Hou, Johanna Rosen e Fengling Zhang. "A flexible semitransparent photovoltaic supercapacitor based on water-processed MXene electrodes". Journal of Materials Chemistry A 8, n. 11 (2020): 5467–75. http://dx.doi.org/10.1039/d0ta00687d.

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MXene based all-solution processed semitransparent flexible photovoltaic supercapacitor was fabricated by integrating the flexible organic photovoltaic with MXene as the electrode and transparent MXene supercapacitors in the vertical direction.

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5

Tadesse, Melkie Getnet, e Jörn Felix Lübben. "Review on Hydrogel-Based Flexible Supercapacitors for Wearable Applications". Gels 9, n. 2 (26 gennaio 2023): 106. http://dx.doi.org/10.3390/gels9020106.

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Smart hydrogels with high electrical conductivity, which can be a real source of power while also collecting and storing the diverse sources of energy with ultrahigh stretchability, strong self-healability, low-temperature tolerance, and excellent mechanical properties, are great value for tailored wearable cloths. Considerable effort has been dedicated in both scientific and technological developments of electroconductive hydrogels for supercapacitor applications in the past few decades. The key to realize those functionalities depends on the processing of hydrogels with desirable electrochemical properties. The various hydrogel materials with such properties are now emerging and investigated by various scholars. The last decade has witnessed the development of high-performance supercapacitors using hydrogels. Here, in this review, the current status of different hydrogels for the production of flexible supercapacitors has been discussed. The electrochemical properties such as capacitance, energy density and cycling ability has been given attention. Diverse hydrogels, with their composites such as carbon-based hydrogels, cellulose-based hydrogels, conductive-polymer-based hydrogels and other hydrogels with excellent electromechanical properties are summarized. One could argue that hydrogels have played a central, starring role for the assembly of flexible supercapacitors for energy storage applications. This work stresses the importance of producing flexible supercapacitors for wearable clothing applications and the current challenges of hydrogel-based supercapacitors. The results of the review depicted that hydrogels are the next materials for the production of the flexible supercapacitor in a more sustainable way.

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Pour, Ghobad Behzadi, Hassan Ashourifar, Leila Fekri Aval e Shahram Solaymani. "CNTs-Supercapacitors: A Review of Electrode Nanocomposites Based on CNTs, Graphene, Metals, and Polymers". Symmetry 15, n. 6 (1 giugno 2023): 1179. http://dx.doi.org/10.3390/sym15061179.

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Carbon nanotubes (CNTs), due to mechanical, electrical, and surface area properties and their ability to adapt to different nanocomposite structures, are very substantial in supercapacitor electrodes. In this review, we have summarized high-performance, flexible, and symmetry CNT supercapacitors based on the CNTs/graphene, CNTs/metal, and CNTs/polymer electrodes. To present recent developments in CNT supercapacitors, we discuss the performance of supercapacitors based on electrical properties such as specific capacitance (SC), power and energy densities, and capacitance retention (CR). The comparison of supercapacitor nanocomposite electrodes and their results are reported for future researchers.

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Tadesse, Melkie Getnet, Esubalew Kasaw, Biruk Fentahun, Emil Loghin e Jörn Felix Lübben. "Banana Peel and Conductive Polymers-Based Flexible Supercapacitors for Energy Harvesting and Storage". Energies 15, n. 7 (28 marzo 2022): 2471. http://dx.doi.org/10.3390/en15072471.

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Flexible supercapacitors are highly demanding due to their wearability, washability, lightweight property and rollability. In this paper, a comprehensive review on flexible supercapacitors based on conductive polymers such as polypyrrole (PPy), polyaniline (PANI) and poly(3,4-ethylenedioxtthiophne)-polystyrene sulfonate (PEDOT:PSS). Methods of enhancing the conductivity of PEDOT:PSS polymer using various composites and chemical solutions have been reviewed in detail. Furthermore, supercapacitors based on carbonized banana peels and methods of activation have been discussed in point. This review covers the up-to-date progress achieved in conductive polymer-based materials for supercapacitor electrodes. The effect of various composites with PEDOT:PSS have been discussed. The review result indicated that flexible, stretchable, lightweight, washable, and disposable wearable electronics based on banana peel and conductive polymers are highly demanding.

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Shi, Shan, Chengjun Xu, Cheng Yang, Jia Li, Hongda Du, Baohua Li e Feiyu Kang. "Flexible supercapacitors". Particuology 11, n. 4 (agosto 2013): 371–77. http://dx.doi.org/10.1016/j.partic.2012.12.004.

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9

Sembiring, Albert Willy Jonathan, e Afriyanti Sumboja. "Composite of graphene and in-situ polymerized polyaniline on carbon cloth substrate for flexible supercapacitor". Journal of Physics: Conference Series 2243, n. 1 (1 giugno 2022): 012105. http://dx.doi.org/10.1088/1742-6596/2243/1/012105.

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Abstract Flexible and lightweight energy storage is required for powering wearable electronic devices. Among the developed energy storage devices, supercapacitors have gained much interest as energy storage for wearable applications through their long cycle life and high power density. This work presents a flexible supercapacitor based on carbon cloth coated with graphene/polyaniline nanocomposite. Graphene/polyaniline nanocomposite is adopted as active material due to its high stability and the synergistic feature of pseudocapacitive and electrical double layer capacitance. The nanocomposite is synthesized from aniline and graphene in the sulfuric acid solution containing carbon cloth by chemical oxidative method, allowing the aniline to polymerize directly on the carbon cloth and graphene. Flexible supercapacitor devices with PVA/H2SO4 gel electrolyte exhibit an areal capacitance of 194.90 mF/cm2 at a scan rate of 5 mV/s. The device retains 77.21% of its initial capacitance after 500 cycles of cyclic voltammetry tests and exhibits a good performance during bending at 90° and 180°. This work demonstrates the potentials of carbon cloth-based supercapacitors for high-performance wearable supercapacitors.

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Lu, Yang, Weixiao Wang, Yange Wang, Menglong Zhao, Jinru Lv, Yan Guo, Yingge Zhang, Rongjie Luo e Xianming Liu. "Ultralight supercapacitors utilizing waste cotton pads for wearable energy storage". Dalton Transactions 47, n. 46 (2018): 16684–95. http://dx.doi.org/10.1039/c8dt03997f.

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Ultralight, flexible and renewable supercapacitors based on MnO₂ nanosheets strongly coupled with a PPy layer coated on discarded cotton pads as electrodes have been developed. The flexible supercapacitor is ready for a potential application in wearable energy storage systems.

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Tesi sul tema "Flexible supercapacitors"

1

YANG, YONGRUI. "Flexible Supercapacitors with Novel Gel Electrolytes". University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1590682495188219.

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2

Zhang, Ruirong. "A study of flexible supercapacitors : design, manufacture and testing". Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13426.

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Supercapacitors have attracted great attention because of their high power density, long life cycle and high efficiency. They can be generally classified into two types: electrical double-layer capacitors (EDLCs) and pseudocapacitors. Compared with pseudocapacitors, EDLCs have a very fast charge/discharge rate, higher power density, higher coulombic efficiency and longer cycle life. Recently, in order to meet the requirements of portable and wearable electronics, supercapacitor development is moving towards flexible and stretchable solutions. This thesis presents the design, fabrication, performance testing and optimisation of flexible strip and fibre EDLCs. In this research, a sandwich structured strip EDLC was designed and manufactured. Experimental design was utilised to optimise the operation parameters of the EDLC in order to improve its capacity for energy storage. The flexibility of the strip EDLCs was studied extensively by mechanical tests under static and dynamic loading conditions, and the correlation between the electrochemical performance of the EDLCs and the mechanical testing process was investigated. Novel coaxial fibre EDLCs have also been studied and developed in this study. Fibre supercapacitors showed a good flexibility and weavability. The activated carbon produced by ball-milling method with optimum specific capacitance was mixed with commercial ink to produce active material to optimise the electrochemical performance of fibre EDLCs. The flexible EDLCs were applied into different appliances to demonstrate the stability of performance and the usability of EDLCs developed in this study. The electrical current and potential range can be altered by connecting multiple strip or fibre EDLCs in parallel or in series to meet the power and energy requirements. It has been proved that the flexible EDLCs developed have a great potential to be used as energy storage devices for smart electronics. This thesis makes original contributions to knowledge, including using an advanced test method to study the electrochemical performance of flexible supercapacitors under static and dynamic mechanical testing, investigation of the effect of key parameters in the manufacturing process on the performance of strip supercapacitors using experimental design method to optimise the supercapacitors’ performance, and optimisation of the performance of fibre supercapacitors by improving the structure and using a new active material with higher specific capacitance.

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Lorenzo, Fernandez Marta. "Flexible supercapacitors utilising the multifunctional rôle of ionic liquids". Thesis, Queen's University Belfast, 2018. https://pure.qub.ac.uk/portal/en/theses/flexible-supercapacitors-utilising-the-multifunctional-role-of-ionic-liquids(8645dbf6-5a8e-4f19-ba27-bbb6adb7c7e3).html.

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The study on flexible, ultrathin and safe energy storage devices such as supercapacitors or batteries is an emerging area to “power-up” the next-generation of portable and flexible electronics such as mobile phones, computers, displays, wearable and implantable biomedical devices. In general, a supercapacitor is composed of two electrodes, electrolyte, separator and current collectors and it can store and deliver charge at relatively high rates. The challenge to design such supercapacitors to be flexible lies in the development of flexible electrodes and leak-proof electrolytes, as well as, the retention of the electrochemical characteristics of high power density, long cycle life and high efficiency under considerable physical deformation. An innovative one-pot synthesis to fabricate electronically conducting polymer-biopolymer composites films such as polypyrrole-cellulose composites that are intrinsically conducting and flexible is presented. The method consisted of an in situ polymerisation of pyrrole in a solution of cellulose in the ionic liquid, 1-butyl-3-methylimidazolium chloride. The resulting polypyrrole-cellulose composite film was chemically blended, and it showed flexible polymer properties while retaining the electronic properties of the polypyrrole. Addition of a hydrophobic ionic liquid, trihexyl(tetradecyl)phosphonium bis{(trifluoromethyl) sulfonyl}amide and graphite powder enhanced the flexibility and conductivity of the composite films, respectively. The composites films obtained were applied as electrodes in flexible supercapacitors using a simple scalable method to design flexible, ultrathin and safe supercapacitors. Three devices were fabricated, (i) electrical double-layer supercapacitors, (ii) electrochemical supercapacitors and (iii) hybrid supercapacitors. The multifunctional rôle of ionic liquids as solvent, electrolyte and plasticiser was exploited to fabricate these novel flexible supercapacitors which showed an excellent cycle life of 15000 cycles with nearly 100 % of capacitance retention, an operational voltage between 1.6 V and 3.2 V and a maximum energy and power density of 0.008 μW h cm-2 and 1.78 μW cm-2, respectively. Moreover, the design nature of these electrodes, chemical stability and feasibility to use biocompatible components will enable the fabrication of task-specific flexible supercapacitors with durable cycle life and chemical stability.

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ZACCAGNINI, PIETRO. "Graphene-based supercapacitors for flexible and harsh environments application". Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2875757.

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Areir, Milad. "Development of 3D printed flexible supercapacitors : design, manufacturing, and testing". Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/16659.

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The development of energy storage devices has represented a significant technological challenge for the past few years. Electrochemical double-layer capacitors (EDLCs), also named as supercapacitors, are a likely competitor for alternative energy storage because of their low-cost, high power density, and high fast charge/discharge rate. The recent development of EDLCs requires them to be lightweight and flexible. There are many fabrication techniques used to manufacture flexible EDLCs, and these methods can include pre-treatment to ensure more efficient penetration of activated carbon (AC) patterns onto the substrate, or those that utilise masks for the definitions of patterns on substrates. However, these methods are inconvenient for building cost-effective devices. Therefore, it was necessary to find a suitable process to reduce the steps of manufacture and to be able to print multiple materials uniformly. This research work describes the first use of a 3D printing technology to produce flexible EDLCs for energy storage. In this research work, the four essential elements for the EDLCs substrate, current collector, activated electrode, and gel electrolyte were investigated. The AC powder was milled by ball milling to optimise the paste deposition and the electrochemical performance. A flexible composite EDLC was designed and manufactured by 3D printing. The electrochemical performance of the flexible composite EDLCs was then examined. Being highly flexible is one of the critical demands for the recent development of EDLCs. Therefore, highly flexible EDLCs were designed and manufactured by only one single extrusion process. The 3D highly flexible EDLC maintains significant electrochemical performance under a mechanical bending test. To meet the power and energy requirements, the EDLCs were connected and tested in series and parallel circuits. A supercapacitor based on printed AC material displays an area specific capacitance of 1.48 F/cm2 at the scan rate of 20 mV/s. The coulombic efficiency for the flexible EDLC was found to be 59.91%, and the cycling stability was achieved to be 56% after 500 cycles. These findings indicate that 3D printing technology may be increasingly used to develop more sophisticated flexible wearable electronic devices.

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Si, Wenping. "Designing Electrochemical Energy Storage Microdevices: Li-Ion Batteries and Flexible Supercapacitors". Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-160049.

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Die Menschheit steht vor der großen Herausforderung der Energieversorgung des 21. Jahrhundert. Nirgendwo ist diese noch dringlicher geworden als im Bereich der Energiespeicherung und Umwandlung. Konventionelle Energie kommt hauptsächlich aus fossilen Brennstoffen, die auf der Erde nur begrenzt vorhanden sind, und hat zu einer starken Belastung der Umwelt geführt. Zusätzlich nimmt der Energieverbrauch weiter zu, insbesondere durch die rasante Verbreitung von Fahrzeugen und verschiedener Kundenelektronik wie PCs und Mobiltelefone. Alternative Energiequellen sollten vor einer Energiekrise entwickelt werden. Die Gewinnung erneuerbarer Energie aus Sonne und Wind sind auf jeden Fall sehr wichtig, aber diese Energien sind oft nicht gleichmäßig und andauernd vorhanden. Energiespeichervorrichtungen sind daher von großer Bedeutung, weil sie für eine Stabilisierung der umgewandelten Energie sorgen. Darüber hinaus ist es eine enttäuschende Tatsache, dass der Akku eines Smartphones jeglichen Herstellers heute gerade einen Tag lang ausreicht, und die Nutzer einen zusätzlichen Akku zur Hand haben müssen. Die tragbare Elektronik benötigt dringend Hochleistungsenergiespeicher mit höherer Energiedichte. Der erste Teil der vorliegenden Arbeit beinhaltet Lithium-Ionen-Batterien unter Verwendung von einzelnen aufgerollten Siliziumstrukturen als Anoden, die durch nanotechnologische Methoden hergestellt werden. Eine Lab-on-Chip-Plattform wird für die Untersuchung der elektrochemischen Kinetik, der elektrischen Eigenschaften und die von dem Lithium verursachten strukturellen Veränderungen von einzelnen Siliziumrohrchen als Anoden in einer Lithium-Ionen-Batterie vorgestellt. In dem zweiten Teil wird ein neues Design und die Herstellung von flexiblen on-Chip, Festkörper Mikrosuperkondensatoren auf Basis von MnOx/Au-Multischichten vorgestellt, die mit aktueller Mikroelektronik kompatibel sind. Der Mikrosuperkondensator erzielt eine maximale Energiedichte von 1,75 mW h cm-3 und eine maximale Leistungsdichte von 3,44 W cm-3. Weiterhin wird ein flexibler und faserartig verwebter Superkondensator mit einem Cu-Draht als Substrat vorgestellt. Diese Dissertation wurde im Rahmen des Forschungsprojekts GRK 1215 "Rolled-up Nanotechnologie für on-Chip Energiespeicherung" 2010-2013, finanziell unterstützt von der International Research Training Group (IRTG), und dem PAKT Projekt "Elektrochemische Energiespeicherung in autonomen Systemen, no. 49004401" 2013-2014, angefertigt. Das Ziel der Projekte war die Entwicklung von fortschrittlichen Energiespeichermaterialien für die nächste Generation von Akkus und von flexiblen Superkondensatoren, um das Problem der Energiespeicherung zu addressieren. Hier bedanke ich mich sehr, dass IRTG mir die Möglichkeit angebotet hat, die Forschung in Deutschland stattzufinden
Human beings are facing the grand energy challenge in the 21st century. Nowhere has this become more urgent than in the area of energy storage and conversion. Conventional energy is based on fossil fuels which are limited on the earth, and has caused extensive environmental pollutions. Additionally, the consumptions of energy are still increasing, especially with the rapid proliferation of vehicles and various consumer electronics like PCs and cell phones. We cannot rely on the earth’s limited legacy forever. Alternative energy resources should be developed before an energy crisis. The developments of renewable conversion energy from solar and wind are very important but these energies are often not even and continuous. Therefore, energy storage devices are of significant importance since they are the one stabilizing the converted energy. In addition, it is a disappointing fact that nowadays a smart phone, no matter of which brand, runs out of power in one day, and users have to carry an extra mobile power pack. Portable electronics demands urgently high-performance energy storage devices with higher energy density. The first part of this work involves lithium-ion micro-batteries utilizing single silicon rolled-up tubes as anodes, which are fabricated by the rolled-up nanotechnology approach. A lab-on-chip electrochemical device platform is presented for probing the electrochemical kinetics, electrical properties and lithium-driven structural changes of a single silicon rolled-up tube as an anode in lithium ion batteries. The second part introduces the new design and fabrication of on chip, all solid-state and flexible micro-supercapacitors based on MnOx/Au multilayers, which are compatible with current microelectronics. The micro-supercapacitor exhibits a maximum energy density of 1.75 mW h cm-3 and a maximum power density of 3.44 W cm-3. Furthermore, a flexible and weavable fiber-like supercapacitor is also demonstrated using Cu wire as substrate. This dissertation was written based on the research project supported by the International Research Training Group (IRTG) GRK 1215 "Rolled-up nanotech for on-chip energy storage" from the year 2010 to 2013 and PAKT project "Electrochemical energy storage in autonomous systems, no. 49004401" from 2013 to 2014. The aim of the projects was to design advanced energy storage materials for next-generation rechargeable batteries and flexible supercapacitors in order to address the energy issue. Here, I am deeply indebted to IRTG for giving me an opportunity to carry out the research project in Germany. September 2014, IFW Dresden, Germany Wenping Si

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Zhang, Panpan, Faxing Wang, Sheng Yang, Gang Wang, Minghao Yu e Xinliang Feng. "Flexible in-plane micro-supercapacitors: Progresses and challenges in fabrication and applications". Elsevier, 2020. https://tud.qucosa.de/id/qucosa%3A74431.

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The great popularity of portable, wearable, and implantable smart electronics has intensively boosted the development of flexible miniaturized power supplies. Owing to the fast charge/discharge capability, high power delivery, long cycling lifetime, easy fabrication and integration, flexible in-plane micro-supercapacitors (FPMSCs) are of significance as the micropower sources for the next-generation flexible on-chip electronics. In this review, we provide a comprehensive overview about FPMSCs and discuss the recent advances in their fabrication and applications. Particular emphasis is put on the emergent device fabrication technologies of FPMSCs, including deposition techniques, coating strategies, etching methods, and printing technologies. Moreover, we highlight the unique applications of FPMSCs in constructing smart responses and self-powered integrated systems in terms of multifunctional operation modes. Finally, the remaining challenges regarding flexibility, performance improvement, smart response, and microdevice integration of FPMSCs are discussed, which will stimulate further research in this thriving field.

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Wu, Zhenkun. "Metal-reduced graphene oxide for supercapacitors and alternating current line-filters". Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53941.

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We design a facile approach to investigate the role benzene derivatives play in the capacitance enhancement of graphene-based supercapacitors. The main reason is attributed to the pseudocapacitance of the aromatic molecules rather than the former one. Meanwhile, we find that the para and ortho substituted benzene derivatives contribute much more than the meta substituted ones. In addition, we fabricate an all-solid-state flexible MSC based on metal-reduced GO. The as-fabricated MSC shows high areal capacitance and excellent reliability, which makes it a promising energy storage candidate for wearable electronics. Based on the work of MSC, we achieve a flexible ac line-filter that is not only competitive against commercial product but also suitable for mass production. Meanwhile, we produce a three-dimensional graphene/polydimethylsiloxane composite that gives a thermal resistance as small as 14 mm2K/W, which is comparable to commercial products. What’s more, a convenient transient program that saves much time is developed to measure the thermal resistance.

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Zhang, Panpan, Feng Zhu, Faxing Wang, Jinhui Wang, Renhao Dong, Xiaodong Zhuang, Oliver G. Schmidt e Xinliang Feng. "Stimulus-Responsive Micro-Supercapacitors with Ultrahigh Energy Density and Reversible Electrochromic Window". Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-235489.

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Li, Hongyan, Yang Hou, Faxing Wang, Martin R. Lohe, Xiaodong Zhuang, Li Niu e Xinliang Feng. "Flexible All-Solid-State Supercapacitors with High Volumetric Capacitances Boosted by Solution Processable MXene and Electrochemically Exfoliated Graphene". Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-235446.

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Più fonti

Libri sul tema "Flexible supercapacitors"

1

Hu, Yating. Carbon and Metal Oxides Based Nanomaterials for Flexible High Performance Asymmetric Supercapacitors. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8342-6.

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Luchinin, Viktor, e Sergey Il'in. Biointerface. Conformal nanoenergy. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/2049717.

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The monograph examines the current state, development prospects and innovative solutions of conformal IoP devices for generating and recovering electricity (solar cells, piezo generators, tribonogenerators, thermogenerators, rectenns), conformal IoP devices for storing electricity (lithium-ion batteries and supercapacitors), as well as hybrid energy devices based on them. Industrially produced elements and devices, as well as innovative developments are presented. It is intended for engineers, researchers and teachers specializing in the field of flexible electronics and conformal nanoenergy, as well as for students of relevant specializations.

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3

Shen, Guozhen, Zheng Lou e Di Chen, a cura di. Flexible Supercapacitors. Wiley, 2022. http://dx.doi.org/10.1002/9781119506188.

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4

Chen, Di, Guozhen Shen e Zheng Lou. Flexible Supercapacitors: Materials and Applications. Wiley & Sons, Incorporated, John, 2022.

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Chen, Di, Guozhen Shen e Zheng Lou. Flexible Supercapacitors: Fundamentals and Applications. Wiley & Sons, Incorporated, John, 2022.

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Chen, Di, Guozhen Shen e Zheng Lou. Flexible Supercapacitors: Materials and Applications. Wiley & Sons, Limited, John, 2022.

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7

Chen, Di, Guozhen Shen e Zheng Lou. Flexible Supercapacitors: Fundamentals and Applications. Wiley & Sons, Incorporated, John, 2022.

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8

Hu, Yating. Carbon and Metal Oxides Based Nanomaterials for Flexible High Performance Asymmetric Supercapacitors. Springer, 2019.

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9

Hu, Yating. Carbon and Metal Oxides Based Nanomaterials for Flexible High Performance Asymmetric Supercapacitors. Springer, 2018.

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Inamuddin, Mohd Imran Ahamed, Rajender Boddula e Tariq Altalhi, a cura di. Flexible Supercapacitor Nanoarchitectonics. Wiley, 2021. http://dx.doi.org/10.1002/9781119711469.

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Capitoli di libri sul tema "Flexible supercapacitors"

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Guemiza, Hazar, Thuan-Nguyen Pham-Truong, Cédric Plesse, Frédéric Vidal e Pierre-Henri Aubert. "Flexible Supercapacitors". In Nanostructured Materials for Supercapacitors, 579–617. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99302-3_26.

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Bendi, Ramaraju, Vipin Kumar e Pooi See Lee. "Flexible supercapacitors". In Nanomaterials for Supercapacitors, 422–47. Boca Raton, FL : CRC Press, Taylor & Francis Group, [2017] | "A Science Publishers book.": CRC Press, 2017. http://dx.doi.org/10.1201/9781315153025-6.

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Gopi, Praveena Malliyil, Kala Moolepparambil Sukumaran e Essack Mohammed Mohammed. "Flexible and Stretchable Supercapacitors". In Polymer Nanocomposites in Supercapacitors, 77–96. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003174646-5.

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4

Altin, Yasin, e Ayse Bedeloglu. "Textile-Based Flexible Supercapacitors". In Smart and Flexible Energy Devices, 519–37. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003186755-28.

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Kumar, Sunil, e Rashmi Madhuri. "Carbon-Based Electrodes for Flexible Supercapacitors Beyond Graphene". In Flexible Supercapacitor Nanoarchitectonics, 177–210. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2021. http://dx.doi.org/10.1002/9781119711469.ch7.

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Liu, Yuqing, Chen Zhao, Shayan Seyedin, Joselito Razal e Jun Chen. "Flexible All-Solid-State Supercapacitors and Micro-Pattern Supercapacitors". In Flexible Energy Conversion and Storage Devices, 1–36. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527342631.ch1.

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Kumar, Anuj, Felipe De Souza, Ali Panhwar e Ram K. Gupta. "Recent Development in Flexible Supercapacitors". In Nanostructured Materials for Supercapacitors, 553–77. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99302-3_25.

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Ni, Wei, e Ling-Ying Shi. "2D Materials for Flexible Supercapacitors". In Smart and Flexible Energy Devices, 441–59. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003186755-24.

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Cheng, Fang, Xiaoping Yang, Wen Lu e Liming Dai. "Flexible Supercapacitors Based on Nanocomposites". In Smart and Flexible Energy Devices, 551–73. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003186755-30.

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Kumar, Anuj, e Ram K. Gupta. "Carbon-Based Advanced Flexible Supercapacitors". In Smart and Flexible Energy Devices, 417–40. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003186755-23.

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Atti di convegni sul tema "Flexible supercapacitors"

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Mehta, Siddhi, Swarn Jha, Weston Stewart e Hong Liang. "Microwave Synthesis of Plant-Based Supercapacitor Electrodes for Flexible Electronics". In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-70062.

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Abstract (sommario):

Abstract Renewable energy and environmental preservation are two grand challenges in our society today. To address these two challenges, there is an increasing demand for energy storage devices made of green and biodegradable materials. State-of-the-art plant-based electrodes have problems of poor electrochemical performance, low reliability, and high manufacturing cost that pose major limitations in their use in flexible supercapacitors. In this research, a novel microwave irradiation synthesis is used to produce a high-performing electro-active lignin-based biomaterial. MnO2 particles are deposited on these lignin-based materials to impart pseudo-capacitance property. These electro-active materials were coated on an Al substrate and used as an anode with an AC-based cathode. A quasi-solid-state supercapacitor was assembled using a polymer-based gel electrolyte of PVA/H3PO4. SEM was performed to study morphology, porosity, and polydispersity of the lignin-based matrix. Cyclic voltammetry (CV) was employed to study the polarization resistance of the system. The cyclic charge-discharge (CCD) was performed to observe cyclic performance. The assembled supercapacitor exhibited a specific capacitance of 26 mF/g after 500 cycles with capacitance retention of ∼87% at 0.1 A/g. This work provides new insights into the synthesis of low-cost and scalable plant-based flexible supercapacitors.

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Lian, Keryn, Haoran Wu, Matthew Genovese, Alvin Virya, Jak Li e Kevin Ton. "Sustainable Materials for Solid Flexible Supercapacitors". In 2018 International Flexible Electronics Technology Conference (IFETC). IEEE, 2018. http://dx.doi.org/10.1109/ifetc.2018.8583951.

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Thekkekara, Litty V., Ling Qiu, Dan Li e Min Gu. "Flexible laser scribed biomimetic supercapacitors". In Frontiers in Optics. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/fio.2016.ftu5b.5.

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Kraft, T. M., M. Kujala, A. Railanmaa, S. Lehtimaki, T. Kololuoma, J. Keskinen, D. Lupo e M. Mantvsalo. "Highly Flexible Environmentally friendly Printed Supercapacitors". In 2018 IEEE 18th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2018. http://dx.doi.org/10.1109/nano.2018.8626290.

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Gan, Hiong Yap, Cheng Hwee Chua, Soon Mei Chan e Boon Keng Lok. "Performance characterization of flexible printed supercapacitors". In 2009 11th Electronics Packaging Technology Conference (EPTC). IEEE, 2009. http://dx.doi.org/10.1109/eptc.2009.5416532.

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Pullanchiyodan, Abhilash, Libu Manjakkal e Ravinder Dahiya. "Metal Coated Fabric Based Supercapacitors". In 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS). IEEE, 2020. http://dx.doi.org/10.1109/fleps49123.2020.9239537.

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Mai, Wenjie. "Developing MnO2-based high-performance flexible supercapacitors". In Photonics for Energy. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/pfe.2015.pt4b.2.

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Park, Ho Seok. "High Temperature Flexible Supercapacitors Using Graphene Electrodes". In Nano-Micro Conference 2017. London: Nature Research Society, 2017. http://dx.doi.org/10.11605/cp.nmc2017.01032.

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Le, L. T., M. H. Ervin, H. Qiu, B. E. Fuchs, J. Zunino e W. Y. Lee. "Inkjet-printed graphene for flexible micro-supercapacitors". In 2011 IEEE 11th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2011. http://dx.doi.org/10.1109/nano.2011.6144432.

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Koripally, Nandu, Lulu Yao, Naresh Eedugurala, Jason D. Azoulay e Tse Nga Ng. "Electro-Polymerization Process with Double-Sided Electrodes for Supercapacitors". In 2023 IEEE International Flexible Electronics Technology Conference (IFETC). IEEE, 2023. http://dx.doi.org/10.1109/ifetc57334.2023.10254823.

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Rapporti di organizzazioni sul tema "Flexible supercapacitors"

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Anton, Christopher M., e Matthew H. Ervin. Carbon Nanotube Based Flexible Supercapacitors. Fort Belvoir, VA: Defense Technical Information Center, aprile 2011. http://dx.doi.org/10.21236/ada543112.

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